<template>
	<main class="site-content" :class="{ 'site-content--tabs': $route.meta.isTab }">
		<!-- 主入口标签页 s -->
		<el-tabs
			v-if="$route.meta.isTab"
			v-model="mainTabsActiveName"
			:closable="true"
			@tab-click="selectedTabHandle"
			@tab-remove="removeTabHandle"
		>
			<!--			<el-dropdown class="site-tabs__tools" :show-timeout="0">-->
			<!--				<i class="el-icon-arrow-down el-icon&#45;&#45;right"></i>-->
			<!--				<el-dropdown-menu slot="dropdown">-->
			<!--					<el-dropdown-item @click.native="tabsCloseCurrentHandle">关闭当前标签页</el-dropdown-item>-->
			<!--					<el-dropdown-item @click.native="tabsCloseOtherHandle">关闭其它标签页</el-dropdown-item>-->
			<!--					<el-dropdown-item @click.native="tabsCloseAllHandle">关闭全部标签页</el-dropdown-item>-->
			<!--					<el-dropdown-item @click.native="refresh()">刷新当前标签页</el-dropdown-item>-->
			<!--				</el-dropdown-menu>-->
			<!--			</el-dropdown>-->

			<el-tab-pane v-for="item in mainTabs" :key="item.name" :label="item.title" :name="item.name">
				<el-card :body-style="siteContentViewHeight">
					<iframe
						v-if="item.type === 'iframe'"
						:src="item.iframeUrl"
						width="100%"
						height="100%"
						frameborder="0"
						scrolling="yes"
					></iframe>
					<!--					<keep-alive v-else>-->
					<router-view v-if="item.name === mainTabsActiveName" />
					<!--					</keep-alive>-->
				</el-card>
			</el-tab-pane>
		</el-tabs>
		<!-- 主入口标签页 e -->
		<el-card v-else :body-style="siteContentViewHeight">
			<!--			<keep-alive>-->
			<router-view />
			<!--			</keep-alive>-->
		</el-card>
	</main>
</template>

<script>
import {
	isURL
} from "@/utils/validate";
export default {
	inject: ["refresh"],
	data() {
		return {};
	},
	computed: {
		documentClientHeight: {
			get() {
				return this.$store.state.common.documentClientHeight;
			},
		},
		menuActiveName: {
			get() {
				return this.$store.state.common.menuActiveName;
			},
			set(val) {
				this.$store.commit("common/updateMenuActiveName", val);
			},
		},
		mainTabs: {
			get() {
				return this.$store.state.common.mainTabs;
			},
			set(val) {
				this.$store.commit("common/updateMainTabs", val);
			},
		},
		mainTabsActiveName: {
			get() {
				return this.$store.state.common.mainTabsActiveName;
			},
			set(val) {
				this.$store.commit("common/updateMainTabsActiveName", val);
			},
		},
		siteContentViewHeight() {
			var height = this.documentClientHeight - 50 - 30 - 2;
			if (this.$route.meta.isTab) {
				height -= 40;
				return isURL(this.$route.meta.iframeUrl) ?
					{
						height: height + "px"
					} :
					{
						minHeight: height + "px",
						height: height + 'px',
						'overflow-y': 'scroll'
					};
			}
			return {
				minHeight: height + "px"
			};
		},
	},
	methods: {
		// tabs, 选中tab
		selectedTabHandle(tab) {
			tab = this.mainTabs.filter((item) => item.name === tab.name);
			if (tab.length >= 1) {
				this.$router.push({
					name: tab[0].name,
					query: tab[0].query,
					params: tab[0].params,
				});
			}
		},
		// tabs, 删除tab
		removeTabHandle(tabName) {
			this.mainTabs = this.mainTabs.filter((item) => item.name !== tabName);
			if (this.mainTabs.length >= 1) {
				// 当前选中tab被删除
				if (tabName === this.mainTabsActiveName) {
					var tab = this.mainTabs[this.mainTabs.length - 1];
					this.$router.push({
						name: tab.name,
						query: tab.query,
						params: tab.params
					}, () => {
						this.mainTabsActiveName = this.$route.name;
					});
				}
			} else {
				this.menuActiveName = "";
				this.$router.push({
					name: "home"
				});
			}
		},
		// tabs, 关闭当前
		tabsCloseCurrentHandle() {
			this.removeTabHandle(this.mainTabsActiveName);
		},
		// tabs, 关闭其它
		tabsCloseOtherHandle() {
			this.mainTabs = this.mainTabs.filter((item) => item.name === this.mainTabsActiveName);
		},
		// tabs, 关闭全部
		tabsCloseAllHandle() {
			this.mainTabs = [];
			this.menuActiveName = "";
			this.$router.push({
				name: "home"
			});
		},
		// tabs, 刷新当前
		tabsRefreshCurrentHandle() {
			var tab = this.$route;
			this.removeTabHandle(tab.name);
			this.$nextTick(() => {
				this.$router.push({
					name: tab.name,
					query: tab.query,
					params: tab.params,
				});
			});
		},
	},
};
</script>
